Get a Reaction: Bullseye Copper-Bearing Glasses

Overview

There’s an element of chemistry in working with kiln-glass. Additives used to color glasses, such as copper, may react with additives in other glasses to create interesting effects.

In our testing, we’ve learned that copper-bearing glasses such as those listed on this PDF will react with sulfur and selenium-bearing glasses, in addition to Reactive Ice Clear and Reactive Cloud Opal glasses. The nature of the reaction will depends on other variables, such as headwork and the glass form (sheet, frit, powder, etc.). We invite you to experiment, document your explorations, and share your results with us.